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oracle sql union tables with different columns

VasteMonde on Jan 20, 2021

-- Add extra columns as null for the table having less columns like:
SELECT COL1, COL2, COL3, COL4, COL5 FROM TABLE1
UNION
SELECT COL1, COL2, COL3, NULL AS COL4, NULL AS COL5 FROM TABLE2

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"oracle sql union tables with different columns" Code Answer's